<!--5.img标签.html-->
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>5.img标签.html</title>
</head>
<body>
    <img src="ylaihui.png" width="200" height="100" border="5"/>
    <img src="aaaaa.png" width="200" height="100" border="5" alt="照片不存在"/>
</body>
</html>